启动BUUCTF靶场，先查看一下提示：显示出flag的文件路径是/flag.txt发现是一段python代码，整理一下：#!/usr/bin/envpython#encoding=utf-8fromflaskimportFlaskfromflaskimportrequestimportsocketimporthashlibimporturllibimportsysimportosimportjson